Charcoal Canister Filter Replacement?

[DWCaprice2017]

Hi, Daniel once again!
‘84 Caprice, 305, ccc q-jet.
Can the filter be replaced, or should I replace the whole unit? Could a clogged unit cause a rough idle…along with bad vac hoses, worn out solenoids, etc?

Because of the age and miles on the car, I’m thinking about replacing as many vacuum-related parts I can get at…if I had the money to do that!

 

[Clone TIE Pilot]

Yes the filter can be replaced though most auto stores won't have it in stock. You will likely need to special order it.

 

[DWCaprice2017]

Yes the filter can be replaced though most auto stores won't have it in stock. You will likely need to special order it.

Thank you for the fast response! I see that PartsGeek has it for a few dollars.

 

[69hurstolds]

Canister filter is GM p/n 7026014, or AC Delco p/n A478C
AMC- p/n 8120330
Chrysler- p/n 3577586
Fram- CA357
Wix- 42998
Standard Motor Parts- CF1

 

[Bonnewagon]

I have found charcoal from the canister that had migrated to the carburetor. The clue was a crappy idle that nothing would cure. It doesn't take much to clog stuff up.

 

[DWCaprice2017]

I have the filter, how do I open the bottom of the canister, and once open, will it all spill out?

 

[ELCAM]

Thread 'Two-port Fuel Vapor Canister Recharge/Refurbish'

Apr 2, 2024

Ok, I've decided to take my old canister out of the 85 442 and redo it. Not because it was bad, per se, but because if I screw it up, I got new ones stashed away so I've got a back-up plan. And since others have actually done this, it's something I've never done so it's on my "bucket" list of sorts.

Easy peasy to get it out. First, remove the 2 hoses that attach at the top nipples. Boom. Then, using a long extension and a 10mm socket, I used my electric ratchet to make quick work out of those little screws holding the canister down to the fenderwell. Lifts right out.

Then, clean the...

• 69hurstolds
• Replies: 23
• Forum: Fuel / Air / Boost / Emissions

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